Eviews在进行加权最小二乘回归,输出报告有两部分:weighted statistics 和unweighted statistics,两者有何差别?
unweighted statistics的结果是怎么得来得?谢谢!
Dependent Variable: Y |
Method: Least Squares |
Date: 08/05/05
Time: 13:17 |
Sample: 1 60 |
Included observations: 60 |
Weighting series: W1 |
Variable | Coefficient | Std. Error | t-Statistic | Prob.
|
C | 10.37051 | 2.629716 | 3.943587 | 0.0002 |
X | 0.630950 | 0.018532 | 34.04667 | 0.0000 |
Weighted Statistics | | | | |
R-squared | 0.211441 |
Mean dependent var
| 106.2101 |
Adjusted R-squared | 0.197845 |
S.D. dependent var
| 8.685376 |
S.E. of regression | 7.778892 |
Akaike info criterion
| 6.973470 |
Sum squared resid | 3509.647 |
Schwarz criterion
| 7.043282 |
Log likelihood | -207.2041 |
F-statistic
| 1159.176 |
Durbin-Watson stat | 0.958467 |
Prob(F-statistic)
| 0.000000 |
Unweighted tatistics | | | | |
R-squared | 0.946335 |
Mean dependent var
| 119.6667 |
Adjusted R-squared | 0.945410 |
S.D. dependent var
| 38.68984 |
S.E. of regression | 9.039689 |
Sum squared resid
| 4739.526 |
Durbin-Watson stat | 0.800564 | | | |